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Best Modular Prompt Library Alternatives in 2026

Updated

20 apps from prompt management software ranked against Modular Prompt Library on the same published basis.

  1. 1
    PromptHelm Free plan AndroidapiiOSself-hostedWeb $39/mo7.8
    Modular Prompt Library vs PromptHelm
  2. 2
    Vellum Free plan AndroidextensioniOSMacself-hosted $30/mo7.7
    Modular Prompt Library vs Vellum
  3. 3
    Agenta Free plan apiself-hostedWeb $29/mo6.4
    Modular Prompt Library vs Agenta
  4. 4
    PromptDocker Free plan apiWeb $29/mo6.4
    Modular Prompt Library vs PromptDocker
  5. 5
    Langfuse Free plan apiself-hostedWeb $29/mo6.3
    Modular Prompt Library vs Langfuse
  6. 6
    Prompt Assay Free plan apiWeb $49/mo6.3
    Modular Prompt Library vs Prompt Assay
  7. 7
    PromptForge Free plan apiWeb $9/mo6.3
    Modular Prompt Library vs PromptForge
  8. 8
    PromptHub Free plan apiWeb $12/mo6.3
    Modular Prompt Library vs PromptHub
  9. 9
    PromptLayer Free plan apiself-hostedWeb $49/mo6.3
    Modular Prompt Library vs PromptLayer
  10. 10
    PromptLens Free plan Web $99/mo6.3
    Modular Prompt Library vs PromptLens
  11. 11
    PromptVersions Free plan Web Free6.3
    Modular Prompt Library vs PromptVersions
  12. 12
    ProofHound Free plan apiself-hostedWeb $29/mo6.3
    Modular Prompt Library vs ProofHound
  13. 13
    SpacePrompts Free plan apiextensionWeb $5/mo6.3
    Modular Prompt Library vs SpacePrompts
  14. 14
    Braintrust Free plan apiself-hostedWeb $249/mo6.2
    Modular Prompt Library vs Braintrust
  15. 15
    Impromptо Web 5.3
    Modular Prompt Library vs Impromptо
  16. 17
    PromptFluent Web 5.3
    Modular Prompt Library vs PromptFluent
  17. 18
    PromptMetrics Web 5.3
    Modular Prompt Library vs PromptMetrics
  18. 19
    PromptOps Manager Web 5.3
    Modular Prompt Library vs PromptOps Manager
  19. 20
    Pezzo Web 5.2
    Modular Prompt Library vs Pezzo
  20. 21
    Prompteams Web 5.2
    Modular Prompt Library vs Prompteams

Modular Prompt Library alternatives compared

#AppScoreFree planFromRuns on
1PromptHelm7.8Free plan$39/moAndroid, API, iOS, self-hosted, Web
2Vellum7.7Free plan$30/moAndroid, Browser, iOS, Mac, self-hosted, Web, Windows
3Agenta6.4Free plan$29/moAPI, self-hosted, Web
4PromptDocker6.4Free plan$29/moAPI, Web
5Langfuse6.3Free plan$29/moAPI, self-hosted, Web
6Prompt Assay6.3Free plan$49/moAPI, Web
7PromptForge6.3Free plan$9/moAPI, Web
8PromptHub6.3Free plan$12/moAPI, Web
9PromptLayer6.3Free plan$49/moAPI, self-hosted, Web
10PromptLens6.3Free plan$99/moWeb
11PromptVersions6.3Free planFreeWeb
12ProofHound6.3Free plan$29/moAPI, self-hosted, Web
13SpacePrompts6.3Free plan$5/moAPI, Browser, Web
14Braintrust6.2Free plan$249/moAPI, self-hosted, Web
15Impromptо5.3No—Web
17PromptFluent5.3No—Web
18PromptMetrics5.3No—Web
19PromptOps Manager5.3No—Web
20Pezzo5.2No—Web
21Prompteams5.2No—Web
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Questions about Modular Prompt Library alternatives

What is the best alternative to Modular Prompt Library?

PromptHelm, number 1 in prompt management software with a score of 7.8 out of 10. The others here: Vellum, Agenta, PromptDocker and 16 more.

What is the best free alternative to Modular Prompt Library?

PromptHelm is the best-ranked alternative with a free plan. 14 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.